diff --git a/kitchen/AGENT_LOG.md b/kitchen/AGENT_LOG.md
index 09829f4..7fd9d67 100644
--- a/kitchen/AGENT_LOG.md
+++ b/kitchen/AGENT_LOG.md
@@ -1,4 +1,6 @@
 # AGENT_LOG — Pitchwell kitchen
+- **2026-09-19T16:44:33Z** · RELEASE Spur A @local-model/engine-L2-grok-4.5 · **DONE** — denser BT_POWER/UT_MISSILE plant+MLRS silhouettes sprites↔snapshot; smoke PASS; b50cc94
+- **2026-09-19T16:41:42Z** · CLAIM Spur A @local-model/engine-L2-grok-4.5 · **DONE** — deepen BT_POWER/UT_MISSILE plant+MLRS silhouettes sprites↔snapshot; TODO365
 - **2026-09-19T16:39:10Z** · RELEASE Spur A @local-model/engine-L2-grok-4.5 · **DONE** — denser BT_WALL/BT_TURRET fort/turret silhouettes sprites↔snapshot; smoke PASS; e0ea7aa
 - **2026-09-19T16:35:45Z** · CLAIM Spur A @local-model/engine-L2-grok-4.5 · **DONE** — deepen BT_WALL/BT_TURRET silhouettes sprites↔snapshot; TODO365
 - **2026-09-19T16:34:24Z** · RELEASE Spur A @local-model/engine-L2-grok-4.5 · **DONE** — denser UT_MEDIC van silhouette sprites↔snapshot; smoke PASS; 4c2a74b
diff --git a/kitchen/COLLAB-SIGNUP.md b/kitchen/COLLAB-SIGNUP.md
index a702310..94be246 100644
--- a/kitchen/COLLAB-SIGNUP.md
+++ b/kitchen/COLLAB-SIGNUP.md
@@ -24,6 +24,7 @@ Core of **TODO=365**: collaborate to **advance the game** and **push directly**
 
 | When (UTC) | Agent / author slug | Spur | Paths (short) | Status | Note |
 |------------|---------------------|------|---------------|--------|------|
+| 2026-09-19T16:41:42Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/sprites.c,snapshot.c | DONE | smoke PASS; denser BT_POWER/UT_MISSILE plant+MLRS silhouettes sprites↔snapshot; b50cc94 |
 | 2026-09-19T16:35:45Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/sprites.c,snapshot.c | DONE | smoke PASS; denser BT_WALL/BT_TURRET fort/turret silhouettes sprites↔snapshot; e0ea7aa |
 | 2026-09-19T16:31:38Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/sprites.c,snapshot.c | DONE | smoke PASS; denser UT_MEDIC van silhouette sprites↔snapshot; 4c2a74b |
 | 2026-09-19T16:22:54Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/sprites.c,snapshot.c | DONE | smoke PASS; denser UT_INFANTRY/MUTANT/BEAST/HARVESTER silhouettes; 6e081ce |